On Wed, Feb 17, 2016 at 09:54:49AM +0800, jianqun.xu wrote:
> From: Xing Zheng <zhengxing@xxxxxxxxxxxxxx>
>
> Add the devicetree binding for the cru on the rk3399 which quite
> similar structured as previous clock controllers.
>
> Signed-off-by: Xing Zheng <zhengxing@xxxxxxxxxxxxxx>
> ---
> .../bindings/clock/rockchip,rk3399-cru.txt | 82 ++++++++++++++++++++++
> 1 file changed, 82 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/clock/rockchip,rk3399-cru.txt
>
> diff --git a/Documentation/devicetree/bindings/clock/rockchip,rk3399-cru.txt b/Documentation/devicetree/bindings/clock/rockchip,rk3399-cru.txt
> new file mode 100644
> index 0000000..07bcc6e
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/clock/rockchip,rk3399-cru.txt
> @@ -0,0 +1,82 @@
> +* Rockchip RK3399 Clock and Reset Unit
[...]
> +Example: General Register Files
> +
> + pmugrf: syscon@ff320000 {
> + compatible = "rockchip,rk3399-pmugrf", "syscon";
Is this documented?
> + reg = <0x0 0xff320000 0x0 0x1000>;
> + };
> +
> + grf: syscon@ff770000 {
> + compatible = "rockchip,rk3399-grf", "syscon";
ditto.
> + reg = <0x0 0xff770000 0x0 0x10000>;
> + };
> +
> +Example: Clock controller node:
> +
> + pmucru: pmu-clock-controller@ff750000 {
> + compatible = "rockchip,rk3399-pmucru";
> + reg = <0x0 0xff750000 0x0 0x1000>;
> + #clock-cells = <1>;
> + #reset-cells = <1>;
> + };
> +
> + cru: clock-controller@ff760000 {
> + compatible = "rockchip,rk3399-cru";
> + reg = <0x0 0xff760000 0x0 0x1000>;
> + rockchip,grf = <&grf>;
> + #clock-cells = <1>;
> + #reset-cells = <1>;
> + };
> +
> +Example: UART controller node that consumes the clock generated by the clock
> + controller:
> +
> + uart0: serial@ff1a0000 {
> + compatible = "rockchip,rk3399-uart", "snps,dw-apb-uart";
> + reg = <0x0 0xff180000 0x0 0x100>;
> + clocks = <&cru SCLK_UART0>, <&cru PCLK_UART0>;
> + clock-names = "baudclk", "apb_pclk";
> + interrupts = <GIC_SPI 99 IRQ_TYPE_LEVEL_HIGH>;
> + reg-shift = <2>;
> + reg-io-width = <4>;
> + };
> --
> 1.9.1
>
>
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